The Science of Paintings - W.Stanley Jr. Taft, James W. Mayer - Google Books

http://books.google.de/books?id=Z720KVxkInYC&pg=PA78

The beauty, mystery, joy, and inspired observation of the human spirit that paintings evoke result from a complex of intuitive and cognitive choices made by the artist. An understanding of the genesis of these choices can be as elusive as the resulting…